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Friends of the Elephant Seal is a non-profit organization dedicated to educating people about elephant seals and other marine life and to teaching stewardship for the ocean off the central coast of California


The Northern Elephant Seal, Mirounga angustirostris, is an extraordinary marine mammal. It spends eight to ten months a year in the open ocean, diving 1000 to 5800 feet deep for periods of fifteen minutes to two hours, and migrating thousands of miles, twice a year, to its land based rookery for birthing, breeding, molting and rest. The Piedras Blancas rookery, on Highway 1 seven miles north of San Simeon on the California Central Coast, is home to about 17,000 animals. The area is open for viewing every day of the year and there is no admission fee or reservation required. It is located 14 miles north of Cambria and 89 miles south of Monterey at 35° 39' 48" N and 121° 15' 28" W. The viewing areas are accessable to wheel chairs.

If there is something you want to know about elephant seals, or about other marine mammals that inhabit this area of the California coast, please ASK US. Click for current information on Weather at the rookery. To know what is happening in the rookery at this time of year, click HERE.

Note the Google Translate box at the top of each web page. It provides for translation of the web pages into any of more than 50 languages. It is a machine translation and, as such, will in some cases be awkward or incorrect. For this we apologize.

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Annotated slide show

Today's weather and tides

Marine Mammal Viewing Tips - A NOAA video

The EsealCam - our web cam view of the seals

Spectacular birthing slides by Judith Feldman

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2014 Free Exploratories and Rookery Tours
Birthing and Nursing: January 4, 11, 25
Mating and Weaning: February 1, 8, 15, 22

The site includes guest photographs in our Photo Album. We invite photographers interested in being included to click the ASK US link above and mrequest inclusion. The webmaster reserves the rights of selection, sizing, and duration of the show.


The Molting Period - April through September

Moving your cursor over the image will pause the slide show.

From mid-March to mid-September, elephant seals are present on the beaches to grow new skin and hair and shed the old – to molt.  Early in this period they share the beaches with the weaned pups which have not yet left for sea and the final weeks of the period they share with the juveniles who arrive for the fall haul-out.  The adult females and the juveniles are the first to appear with their number reaching a maximum near the first of May and all departing by the first of July.  The sub-adult and adult males begin to arrive in early May and are gone by early September.  Each molting seal stays in the rookery for approximately one month.

The seals come to the rookery to molt rather than grow new skin and hair continuously as we do because growing skin requires circulating blood just inside the skin – outside their insulating blubber.  With an internal body temperature near 100°F (38 C), and ocean water around 40°F (4 C), growing skin at sea would entail enormous energy loss.  A measure of how serious that would be is that the seals travel thousands of miles over several weeks and fast on the beach for a month to avoid paying that price.

While in the rookery during this period, as at all other times, they fast – no food or water for the duration of their stay.  Fasting necessitates a quiet life, lots of sleeping, not much moving around.  The young males, however, do use this time as an opportunity to joust with each other, playfully developing skills that are vital to them as adults.  Much of this sparring takes place in the tide pool areas just off shore at times determined more by tide than sun.

Friends of the Elephant Seal
PO Box 490 
Cambria, CA  93428 
Phone: (805) 924-1628
Fax: (805) 924-1629

Office / Visitor Center
Plaza del Cavalier
250 San Simeon Ave.
San Simeon, Ca  93452